Archives of the National League of the Blind are held at its offices. Cook & Waller (1994) describe the archive as consisting of "minutes of the National Executive Committee since 1920; NEC correspondence, 1969-85; Triennial Conference Reports, 1925-88; financial records since 1921; an extensive series of correspondence files, including those with branches; reports of individual Area Councils (largely post-war); and publications, including the official organ The Advocate, since 1918. Persons wishing to use the papers should apply to the General Secretary."

A collection of Records of the National League of the Blind (ref. MSS.349; dates 1914-1989) is held at Warwick University: Modern Records Centre. The online presentation notes that the collection contains "Annual reports, 1914, 1917-18, 1983; conference reports and agendas, 1964-79, 1991, 1994, (incomplete); correspondence files especially re industrial relations, including Exeter workshops dispute, 1979-83; Ministry of Labour, 1947-68; international blind organisations, 1950-4; National League of the Blind and Disabled Yearbook, 1986. The Advocate, 1982-93. The Blind Advocate, 1971-1981."

A further collection of papers of the National League of the Blind (ref. Acc.4686; dates 1943-1975), is held at National Library of Scotland, Manuscript Collections -see online catalogue.

Records of the National League of the Blind (Aberdeen Branch) (ref. MS 2675; dates 1923 - 1966) are held at Aberdeen University, Special Libraries and Archives -see Archive Hub online catalogue and Scottish Archive Network online catalogue.

Records relating to the National League of the Blind are among the Labour Party Archives (ref. LP/GS/BLI), held at Labour History Archive and Study Centre (People's History Museum/University of Central Lancashire) -see online catalogue.

A number of more minor references to the National League of the Blind are listed on AIM 25 and A2A.